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US-12071684-B2 · Aug 27, 2024 · US
Water resistant aircraft pitot device
US9080903B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9080903-B2 |
| Application number | US-201213261815-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 16, 2012 |
| Priority date | Aug 19, 2011 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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A pitot tube system having a pitot tube containing a porous hydrophobic fabric that blocks water and contaminants from reaching a pressure sensor. The distance in the pitot tube between the fabric and a front orifice of the tube is less than 2.4 times the height of the orifice, and preferably less than or equal to 0.38 times the height. The section of the tube through which the fabric extends defines an opening characterized by a minimum dimension greater than 0.15 inches, and preferably being at least 0.21 inches. The tube is a removable structure that attaches to a mount that forms a passage for communicating the pressure in the tube. That passage contains a second porous hydrophobic fabric that also blocks water and contaminants from reaching a pressure sensor.
First claim
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What is claimed is: 1. A pitot device for use in an airflow, comprising: a pitot housing forming a cavity having a housing external orifice characterized by a housing external-orifice height; an air-permeable fabric extending across a section of the cavity and defining an internal chamber; and a pressure sensor configured to sense information regarding the pressure within the internal chamber; wherein the distance within the cavity between the air-permeable fabric and the ho…
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- What does patent US9080903B2 cover?
- A pitot tube system having a pitot tube containing a porous hydrophobic fabric that blocks water and contaminants from reaching a pressure sensor. The distance in the pitot tube between the fabric and a front orifice of the tube is less than 2.4 times the height of the orifice, and preferably less than or equal to 0.38 times the height. The section of the tube through which the fabric extends d…
- Who is the assignee on this patent?
- Ashton Charles F, Aerovironment Inc
- What technology area does this patent fall under?
- Primary CPC classification G01P5/165. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).